Equivalence of Differential Operators
- 1 September 1989
- journal article
- Published by Society for Industrial & Applied Mathematics (SIAM) in SIAM Journal on Mathematical Analysis
- Vol. 20 (5) , 1172-1185
- https://doi.org/10.1137/0520077
Abstract
Two versions of the equivalence problem—determining when two second-order differential operators on the line are the same under a change of variables—are solved completely using the Cartan method of equivalence.Keywords
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